Click Yes and once it’s successful you will see “Multi-user setup information” dialog box below and click OK:

 

QB Switching Between Multi and Single-User Mode 2

 

2. Or, from the Main Menu > File > Utilities > Host Multi-User Access which will prompt you with “Host multi-user access” dialog box:

 

QB Switching Between Multi and Single-User Mode 3

 

Click Yes and once successful, the program will prompt you with the same “Multi-user setup information” dialog box.

 

When you are in the multi-user mode and if you want to switch back to single-user mode, you have to make sure other users close the company file first.  Once other users have closed the company file, then go to Main Menu > File > Switch to Single-user mode which will close all company file windows and if the switching is successful, the program will prompt you with dialog box below and click OK:

 

QB Switching Between Multi and Single-User Mode 4